1067398 has 8 divisors (see below), whose sum is σ = 1615608. Its totient is φ = 528864.

The previous prime is 1067387. The next prime is 1067411. The reversal of 1067398 is 8937601.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×1067398² = 2278676980808, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2136 + ... + 2587.

It is an arithmetic number, because the mean of its divisors is an integer number (201951).

2^1067398 is an apocalyptic number.

1067398 is a deficient number, since it is larger than the sum of its proper divisors (548210).

1067398 is a wasteful number, since it uses less digits than its factorization.

1067398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4838.

The product of its (nonzero) digits is 9072, while the sum is 34.

The square root of 1067398 is about 1033.1495535497. The cubic root of 1067398 is about 102.1979368024.

The spelling of 1067398 in words is "one million, sixty-seven thousand, three hundred ninety-eight".